I Command a Million Troops to Rule the Realm

[Post-apocalypse + War + Strategy + System. The System offers limited help, so this is not a power fantasy.]

With a heart full of regret, Li An was lucky enough to reach a new continent. Carrying a Lord System, he began a new life.

In this era of raging war, people are neither fully human nor fully dead. This vast land still awaits its rightful master.